The cat is under the table, hiding from the dog.（猫在桌子下面，躲着狗。）

Under the bright moonlight, we took a walk in the garden.（在明亮的月光下，我们在花园里散步。）

She found her lost keys under the sofa cushions.（她在沙发靠垫下面找到了丢失的钥匙。）

The boat sailed under the bridge smoothly.（船平稳地从桥下驶过。）

Under his guidance, I made great progress in my studies.（在他的指导下，我在学习上取得了很大进步。）

The temperature has dropped under zero recently.（最近气温降到了零度以下。）

We placed the bookshelf under the window to get more light.（我们把书架放在窗户下面以获得更多光线。）

The treasure is buried deep under the ground.（宝藏深埋在地下。）

Under the circumstances, we had to change our plan.（在这种情况下，我们不得不改变计划。）

The children are playing games under the big tree.（孩子们在大树下玩游戏。）

He put his hat under the chair before sitting down.（他坐下之前把帽子放在椅子下面。）

The fish swam quickly under the water surface.（鱼在水面下快速游动。）

Under the new policy, many small businesses are thriving.（在新政策下，许多小企业蓬勃发展。）

The old man sat under the awning, enjoying the cool breeze.（老人坐在遮阳篷下，享受着微风。）

She wore a warm coat under her thick jacket.（她在厚夹克里面穿了一件暖和的外套。）

The ball rolled under the bed and we couldn't reach it.（球滚到了床底下，我们够不着。）

Under the leadership of the coach, the team won the championship.（在教练的领导下，球队赢得了冠军。）

They set up a tent under the stars for the night.（他们在星空下搭起帐篷过夜。）

The painting was kept safely under lock and key.（这幅画被妥善保管，锁了起来。）

Under the influence of his father, he became interested in art.（在他父亲的影响下，他对艺术产生了兴趣。）