发愣的英文：
be in a daze

参考例句：

He sat there as if in a trance.
他坐在那里发愣。

He is apt to retire into himself.
他往往不声不响地发愣。

She was pop-eyed with amazement.
她惊奇得瞪着眼发愣.

He washed his hands and face, still in a brown study, apparently, and combed his hair
他洗了手和脸，显然还在发愣，又梳了头发。

Prone, at all times, to abstraction, I readily fell with his humour
我一下子也染上他的脾气，从早到晚，动不动就出神发愣。

Crowds of onlookers coming to gawp at the wreckage of the aircraft
来看热闹的人望着失事飞机的残骸发愣.

joanne came to say goodbye and stood in astonishment as she gazed at Tom
乔安妮来向汤姆道别，当他看到汤姆时，站在那里发愣。

daze是什么意思：
n. 迷乱，眼花缭乱
v. 使眼花缭乱；使晕眩；使茫然

The splendor of the palace dazed him.
王宫的富丽堂皇使他眼花缭乱。

She was dazed by the news.
这消息使他茫然。

The question dazed him.
该问题使他惶惑。

After the explosion of the storehouse the storekeeper was dazed.
＂仓库爆炸后，仓库保管员感到昏昏然。＂

He arrested the dazed trio for malicious destruction of property
他以“蓄意破坏他人财产罪”逮捕了被摔得晕头转向的三名歹徒。