细嚼慢咽的英文：
to chew carefully and swallow slowly

Chew your food well before you swallow it.
你吃东西要细嚼慢咽。

Asquitn ate sparingly
阿斯奎斯细嚼慢咽地吃着。

So was grandma right when she advised chewing 30 times before swallowing?
有句老话说"细嚼慢咽保平安"。

"Some Books are to be tasted, others to be swallowed, and some few to be chewed and digested. 　-- F. Bacon"
一些书可以浅尝辄止;一些书可以狼吞虎咽;而有些书则需要细嚼慢咽,好好消化--F.培根

chew over; think over
考虑;详细讨论

Have a good chew before you swallow.
在吞下去以前好好嚼一下。

Chew well before swallowing.
咽前要仔细咀嚼。

Sight the target carefully.
仔细观测这个目标。

This book is a carefully documented biography.
这是一本文献佐证翔实可靠的传记。

Be carefully, don't flour .
小心点，别摔碎了。

swallow hold (sink, sinkhold)
落水洞

Have a good chew before you swallow.
在吞下去以前好好嚼一下。

Chew well before swallowing.
咽前要仔细咀嚼。