I'm trying my best. You can trust me. 我正在拼盡全力。你可以相信我。
I will try my luck. 我可以碰碰運氣。(不管行不行)
She went back to the casino to try her luck again. 她回到了賭場,打算再碰碰運氣。
You've trying my patience. 你正在挑戰(zhàn)我的耐心。
My son is not very good at sports. 我兒子不大擅長體育運動。
Tell him to try his best when he is on a team. 告訴他,在一個團隊里要使出自己的全力。