1、commit

犯(罪);做(壞事)

I have never committed any crime.

我從來沒犯過罪。

This is a man who has committed murder.

這是一個殺人犯。

撥出，調配(資金、資源等)

They called on Western nations to commit more money to the poorest nations.

他們呼吁西方國家向極端貧困國家投入更多的錢。

The government had committed billions of pounds for a programme to reduce acid rain.

政府已經給一個旨在減少酸雨的方案撥了幾十億英鎊。

承諾，保證(做);忠于(某人)

I would advise people to think very carefully about committing themselves to working Sundays.

我建議大家慎重考慮一下答應周日工作的問題。

I'd like a friendship that might lead to something deeper, but I wouldn't want to commit myself too soon.

我希望擁有一份能進一步發展的友誼，但又不想太快作出承諾。

2、get down

使沮喪；使憂郁

At times when my work gets me down, I like to fantasize about being a farmer.

有時當工作讓我沮喪時，我喜歡幻想自己是一個農場主。

俯身；跪下；趴下

She got down on her hands and knees on the floor.

她雙手撐地跪在地上。

'Get down!' she yelled. 'Somebody's shooting!'

“趴下！”她大聲喊道，“有人開槍！”

（費力地）吞下；勉強咽下

I bit into a hefty slab of bread and cheese. When I had got it down I started talking.

我咬了一大塊面包和奶酪，強咽下去之后開始說話。