1. go to dinner with sb.:和……一起吃晚餐
e.g. If we go to dinner with your boss, you're not to talk shop.
要是我们和你老板一起去吃饭,你可不许谈工作。
e.g. It's boring to go out to dinner with a cheapskate.
和小气鬼一起出门吃饭真没意思。
2. foot the bill:付账
e.g. I was in a jam because I didn't have enough money to foot the bill.
我带的钱不够付帐,处境很狼狈。
e.g. I suppose Jim will foot the bill, as always.
我想吉姆会像往常一样付账的。
3. the sort of:那种
e.g. That's the sort of painting I like: simple, suggestive and unpretentious.
我就是喜欢这种画;朴素,发人深思,而且毫无矫揉造作之感。
e.g. He's not the sort of man who would go back on his word.
他不是那种会食言的人。
3. be suitable to do sth.:做某事恰当
e.g. Would now be a suitable to show the slides?
现在放幻灯片合宜吗?
e.g. It is not suitable to make a joke at the moment.
现在不宜开玩笑。