assign、designate和appoint在表示指定、指派的意思時的區別如下：
1、“指定、指派”的形式不同。
appoint：通常指不經過選擇的官方委任；
designate：書面用語，側重當權者或機構的選拔或任命，有時含強行指定的意味；
assign：常指給一群人或個人分配、分派、指派或委派任務。
2、其後跟的詞不同。
appoint後多跟職位一類的名詞；assign後多跟具體的工作；designate常與”as“連用。
例句：
1、They appointed him Minister of Education.他們任命他為教育部長。
2、She was appointed to the Chairmanship of the Committee.她被任命為委員會的主席。
3、The problem was assigned to a commission.這項任務交給了一個特別委員會去處理。
4、I assign you to wash the dishes.我分配你去洗盤子。
5、Some of the rooms were designated as offices.其中一些房間被指定用作辦公室。
6、The President"s designated successor is his son.總統的選定繼承人是他的兒子。
固定搭配：
1、assign sb a task/role
I’ve been assigned the task of looking after the new students.指派給我的工作是照顧新來的學生。
2、assign sb to sth
Jan’s been assigned to the Asian Affairs Bureau.簡被派到亞洲事務部。
3、assign sb to do sth
Madison was assigned to investigate a balloon accident.麥迪遜被派去調查一宗氣球事故。
4、assign sb sth
Assign each student a partner.給每個學生分派一個搭檔。
5、be designated sth
The lake was recently designated a conservation area.這個湖最近被指定為保護區。
6、designate sth as/for sth
Funds were designated for projects in low-income areas.低收入地區的工程有指定資金。
7、designate sb to do sth
She has been designated to take over the position of treasurer.她已被指派接任財務主管的職位。
8、appoint sb to sth
He’s been appointed to the State Supreme Court.他奉命到州最高法院任。
9、appoint sb to do sth
A committee was appointed to consider the plans.一個委員會被委派去研究這些計劃。
10、appoint (sb) as sth
O"Connell was appointed as chairman.奧康奈爾被任命為主席。
assign、designate和appoint在表示指定、指派的意思時的區別如下：
1、“指定、指派”的形式不同。
appoint：通常指不經過選擇的官方委任；
designate：書面用語，側重當權者或機構的選拔或任命，有時含強行指定的意味；
assign：常指給一群人或個人分配、分派、指派或委派任務。
2、其後跟的詞不同。
appoint後多跟職位一類的名詞；assign後多跟具體的工作；designate常與”as“連用。
例句：
1、They appointed him Minister of Education.他們任命他為教育部長。
2、She was appointed to the Chairmanship of the Committee.她被任命為委員會的主席。
3、The problem was assigned to a commission.這項任務交給了一個特別委員會去處理。
4、I assign you to wash the dishes.我分配你去洗盤子。
5、Some of the rooms were designated as offices.其中一些房間被指定用作辦公室。
6、The President"s designated successor is his son.總統的選定繼承人是他的兒子。
固定搭配：
1、assign sb a task/role
I’ve been assigned the task of looking after the new students.指派給我的工作是照顧新來的學生。
2、assign sb to sth
Jan’s been assigned to the Asian Affairs Bureau.簡被派到亞洲事務部。
3、assign sb to do sth
Madison was assigned to investigate a balloon accident.麥迪遜被派去調查一宗氣球事故。
4、assign sb sth
Assign each student a partner.給每個學生分派一個搭檔。
5、be designated sth
The lake was recently designated a conservation area.這個湖最近被指定為保護區。
6、designate sth as/for sth
Funds were designated for projects in low-income areas.低收入地區的工程有指定資金。
7、designate sb to do sth
She has been designated to take over the position of treasurer.她已被指派接任財務主管的職位。
8、appoint sb to sth
He’s been appointed to the State Supreme Court.他奉命到州最高法院任。
9、appoint sb to do sth
A committee was appointed to consider the plans.一個委員會被委派去研究這些計劃。
10、appoint (sb) as sth
O"Connell was appointed as chairman.奧康奈爾被任命為主席。