1、 The lawyer undertook the case without a fee、这律师免费承办那个案件。
2、 undertake的反义词
3、 We undertook a trip to the west、我们到西部作了一次旅行。
4、 I undertook to teach the children English、我答应教孩子们英语。
5、
6、 I can not undertake that you will make a profit、我不能担保你会获利。