不用担心

Don't worry! I shall awake him on time.

用心!到时我会叫醒他。

Never mind the expense!

用心费用！

This feature also permits field repair of the valve seat without fear of misassembly by field mechanics.

这种特征也允许现场维修阀门阀座，用心由于现场维修设备足导致错误装配。

And should you drop it into a tubful of cloudy, child-colored water, not to worry — it floats.

而且，如果慎将香皂落入澡盆，里面盛满了孩子们洗过澡浑水，你也用心找到——它会自动浮上水面。

Dorothy could ramble all day on the hills and sit up talking to Coleridge all night without being scolded by her aunt for unwomanly behaviour.

白天，多罗茜可以整天在山上漫步；晚上，她可以整夜与柯律支聊天，而用心姨妈会为此责备她像个淑女。

3 The product is fixed with elastic rubber,suitable for any size of adumbral boards.With an adumbral on your car,you don't have to worry about the installation.

使用橡胶带固定，无论大小遮阳板都适用，用心安装问题，只要车有遮阳板即可。

Wash daily with a mild soap and water. Use your hands rather than a facecloth so that you don't risk damaging the skin by rubbing too hard.

每天用柔性香皂洗脸，宁愿用手洗脸，也要用毛巾洗脸。那样皮肤就用心由于摩擦过大而受到伤害了。