您要查找的是不是：
- He laboured at the problem. 他努力研究那个问题。
- He laboured all day at the mill. 他整天在工场里做工。
- He worried at the problem until he found an answer. 他一心想解决这个难题，直到想出答案。
- He laboured all day at the mill . 他整天在工场里做工。
- He looked at the problem only from his own angle. 他只从自己的立场看这个问题。
- The Conservatives won the seat (ie in Parliament) from Labour at the last election. 保守党在上次议会选举中从工党手里夺得这个议席。
- The answer presented itself to him when he looked at the problem again. 那问题他再一考虑，答案就在眼前。
- He worried at the problem until he find an answer. 他一心想解决这个难题，直到想出答案。
- And still he was digging at the problem. 这个问题使他百思不解。
- I laboured at the English course for two years . 我苦学了两年英语课程。
- He was worrying at the problem all night . 整夜，他都在为这个问题伤脑筋。
- Now we have to take aim at the problem and try to get it solved. 现在我们不得不正视这个难题并试图解决它。
- He laboured at a task. 他努力做一件工作。
- The chairman slurred over the problem at the meeting. 会议主席在会上对这个问题一带而过。
- What he said struck at the heart of the problem. 他的话切中问题的要害。
- He looked at the problem only from his angle. 他只从自己的立场看这个问题。
- I hope I have time to get at the problem tonight. 我希望我今天晚上有时间解决这个问题。
- He laboured in the mines for 3 0 years . 他在矿里工作了30年。
- That's a wrong way to look at the problem. 这种看问题的方法是错误的。
- He was worrying at the problem all night. 整夜,他都在为这个问题伤脑筋。
