I lost my keys on the way to work this morning.（今天早上我在上班路上把钥匙丢了。）

She lost her favorite book and was very sad.（她把心爱的书弄丢了，非常难过。）

They lost the game because of a last-minute mistake.（由于最后一刻的失误，他们输掉了比赛。）

He lost his job last month and has been looking for a new one ever since.（他上个月失业了，从那以后一直在找新工作。）

The little girl lost her way in the big shopping mall.（小女孩在大商场里迷路了。）

We lost our way in the mountains and had to spend the night there.（我们在山里迷了路，只好在那里过夜。）

My phone battery died and I lost all my unsaved data.（我手机没电了，丢失了所有未保存的数据。）

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

They lost their luggage at the airport and had to fill out some forms.（他们在机场丢失了行李，不得不填写一些表格。）

He lost interest in the movie after the first half hour.（半小时后他对这部电影失去了兴趣。）

The team lost their confidence after several consecutive defeats.（连续几次失败后，这支队伍失去了信心。）

I lost my balance and fell down the stairs.（我失去平衡，从楼梯上摔了下来。）

She lost touch with her old friends after moving to another city.（搬到另一个城市后，她与老朋友们失去了联系。）

They lost the opportunity to invest in that company due to hesitation.（由于犹豫不决，他们失去了投资那家公司的机会。）

He lost his appetite because of the stomachache.（因为肚子疼，他没了胃口。）

The dog lost its owner in the crowded park.（这只狗在拥挤的公园里与主人走散了。）

We lost our patience waiting for the bus for so long.（等了这么久的公交车，我们失去了耐心。）

She lost her hearing in an accident when she was young.（她小时候在一次事故中失去了听力。）

They lost the argument because they didn't have enough evidence.（因为没有足够的证据，他们在争论中输了。）

He lost his sense of direction in the unfamiliar city.（在这个陌生的城市里，他迷失了方向。）