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turn to sb for help转向某人寻求帮助
例句：I can't find the place they told me so I had to turned to a passer-by for help.
我找不到他们之前告诉我的地方，只能找路人帮助。
2.It has recently declared it can stand on its own two feet again without taxpayers to lean on.
lean on靠着，依靠
例句：We can lean on this man.
我们可以依靠这个人。
3.His arrest sparked off a wave of violence in Michoacán neighboring states in which another six police officers and two soldiers were killed.
spark off导致
例句：Local fighting might spark off a major war.
局部战斗有可能引发一场大规模战争。
4.The man who brought the appeal, Mark Pieth, described the decision to release Mr. Mobutu's money to his heirs as a black day for Congo, and all of those who had fought against the release of the funds.
a black day倒霉的一天
例句：It was a black day for the aircraft workers when the government announced it was canceling its contract for a new fighter.
当政府宣布取消生产一种新战斗机的合同时，那是航天工人们的不幸日子。