【give off】 發出; 放出（氣味）; 散發出; 放射出When nitric acid is poured on copper, a brown vapor gives off.將硝酸倒在銅上, 會散發出一種棕色的蒸氣。Rotten eggs give off a bad smell.臭蛋散發出難聞的氣味。【give out】
1.分發; 散發They stood there, giving out the leaflets to the passers-by.他們站在那裡, 向過路人散發傳單。
2.公佈; 宣佈The news of the event was given out over the radio.關於這個事件的訊息透過無線電發表了。
3.耗盡; 用完He plans to stay there until his money gives out.他計劃在那裡待到錢花完為止。
4.停止起作用We had hardly started from home when the engine gave out.我們剛剛離開家, 發動機就失靈了。
【give off】 發出; 放出（氣味）; 散發出; 放射出When nitric acid is poured on copper, a brown vapor gives off.將硝酸倒在銅上, 會散發出一種棕色的蒸氣。Rotten eggs give off a bad smell.臭蛋散發出難聞的氣味。【give out】
1.分發; 散發They stood there, giving out the leaflets to the passers-by.他們站在那裡, 向過路人散發傳單。
2.公佈; 宣佈The news of the event was given out over the radio.關於這個事件的訊息透過無線電發表了。
3.耗盡; 用完He plans to stay there until his money gives out.他計劃在那裡待到錢花完為止。
4.停止起作用We had hardly started from home when the engine gave out.我們剛剛離開家, 發動機就失靈了。