1.smile at 對…微笑， 以微笑對待

Smile at someone you don't know.
對你不認識的人微笑。

Did you ever smile at your opponents?
你有跟對手微笑過嗎?

2.begin to 開始

Within minutes brain cells begin to die.
幾分鐘后腦細胞開始死亡。

Nobody wants to watch your science projects blossom mold or begin to stink up the communal space.
沒有人想看著你的科研項目綻放“霉菌”，也沒人想看到它們把整個公共空間搞得臭氣熏天。

3.wait for 等待

So the bus need not wait for the fare.
所以，公交車不必為了收費而等待。

It's okay to ask for a coach rather than wait for someone to offer you one.
除了等待公司安排，員工也可以主動要求培訓。

4.seem to 似乎

The problem doesn't seem to be price.
價格似乎并不是問題所在。

Europe's troubles seem to be costing them business.
歐洲危機看來正在影響到當地的業務。