donot worry的同义短语是：
no matter / no biggie
不要紧；不用担心
don't worry
不要紧；不用担心
双语例句：
Don't worry. We'll soon have this sorted.
不用担心，我们马上找人把这弄好。
Don't worry if this first coat of paint looks messy.
如果这第一层油漆看上去有点脏的话，不用担心。
Don't worry if your baby seems a little reluctant to crawl or walk.
如果你的小宝宝看起来有点不愿爬或走，不用担心。
