I always lose my keys. It's really frustrating. 我总是弄丢钥匙，这真让人沮丧。

If you don't study hard, you may lose the chance to enter a good university. 如果你不努力学习，可能会失去进入好大学的机会。

He lost his job last month due to the company's restructuring. 由于公司重组，他上个月失业了。

She lost her temper when she heard the bad news. 听到这个坏消息时，她发脾气了。

We can't afford to lose this game. It's very important. 我们输不起这场比赛，它非常重要。

The dog seems to have lost its way. Let's help it find home. 这只狗好像迷路了，我们帮它找到家吧。

He lost his balance and fell down the stairs. 他失去平衡，从楼梯上摔了下去。

You'll lose weight if you exercise regularly and eat a healthy diet. 如果你经常锻炼并且饮食健康，你会减肥的。

They lost contact with each other after graduating from high school. 高中毕业后他们就失去了联系。

Don't lose hope. Things will get better soon. 不要失去希望，事情很快会好转的。

The team lost the match because of their poor performance. 由于表现不佳，这个队输掉了比赛。

She lost her favorite book on the bus. 她把最喜欢的书落在公交车上了。

He lost his wallet on his way to work this morning. 他今天早上在上班路上丢了钱包。

We mustn't lose sight of our original goals. 我们绝不能忘记我们最初的目标。

If you drive too fast, you're more likely to lose control of the car. 如果你开车太快，就更有可能失去对汽车的控制。

The company is trying to avoid losing customers. 这家公司正努力避免失去客户。

She lost her confidence after failing the exam several times. 几次考试不及格后，她失去了信心。

They lost the battle but not their spirit. 他们输掉了战斗，但没有丧失斗志。

You should be careful not to lose your way in the forest. 你在森林里要小心别迷路。

He lost his patience with the naughty boy. 他对那个调皮的男孩失去了耐心。