解析：

promise n.希望，許諾

Their future was full of promise. 他們的前途希望無窮。

If you make a promise, you should keep it. 如果你許下一個諾言，你就應該遵守它。

promise v. 承諾

Promise me you will not waste your time. 向我保證你不會浪費時間。

解析：

strong adj.強壯的，堅強的

I'm not strong enough to carry him. 我不夠強壯，抱不動他。

He is sharp and smart with a strong personality. 他聰明又機靈，有著很強的個性。