1.He tries to his best to do his homework.他竭尽全力做作业。
2.He tries to his best to finish the work.他竭尽全力完成了这项工作。
3.He tries to his best to help her.他竭尽全力去帮助她。
4.He tries to his best to move the big stone.他竭尽全力去移动这个大石头。
5.He tried his best to learn English well.他尽力学好英语。
trustful：形容词，相信别人的，充满信任的，无疑心的，Try a sample order today，and we are sure you have contacted with a trustful and skillful supplier。
为了尝试样本今天，我们相信您有一个信任和熟练的供应商联系；trusting：轻信的，信任的，相信的，轻易信赖别人的，Perhaps I was too trusting。
也许我太轻信了；trustworthy：值得信赖的，可靠的，把稳，妥靠，信实，He is a trustworthy and level-headed leader。
他是个头脑冷静、值得信赖的领导；trusty：可靠的，可信赖，She still drives her trusty black Corvette，她仍然开她那辆皮实可靠的黑色克尔维特车。
try to do sth .翻译为尽力去做某事，I try to be a good people .翻译:我努力成为一名优秀的人。
I try hard to learn English well.翻译：我尽力把英语学的很好。
try doing sth .翻译为尝试做某事。
I try drinking the hot water .翻译为我试着喝这些热水。