heat up
变热；变暖
The oven takes a while to heat up.
烤箱得过会儿才能热起来。

be busy doing sth
忙于(做某事):
James is busy practising for the school concert.
詹姆斯正忙着为学校音乐会排练。

expect sb/sth to do sth
预料；预期；预计:
House prices are expected to rise sharply.
预计房价会急剧上涨。

sb's turn
(依次轮到的)机会:
When it's your turn, take another card.
轮到你时,再抓一张牌。

run out (of sth)
用完,耗尽(供应品):
We ran out of fuel.
我们把燃料用光了。

lead sb astray
走错方向；误入歧途:
Jack's parents thought the other boys might lead him astray (= make him do things that are wrong).
杰克的父母认为,其他的男孩可能会把他引入歧途。

up to sth
到达(某数量、程度等)；至多有:
I can take up to five people (= but no more than four) in my car.
我的汽车最多能带四个人。