Correct
百思不解
/ bǎi sī bùjiě /
Strokes
Definition
to remain puzzled after pondering over sth a hundred times (idiom)/to remain perplexed despite much thought
Example
Definition
be still unable to solve a problem after long pondering; remain perplexed despite much thought
1
Tā
他
bù
不
gěi
给
wǒ
我
huíxìn
回信
líng
令
wǒ
我
bǎisībùjiě
百思不解
。
I am puzzled by his failure to reply/that he hasn't replied to my letter.
2
Zhè
这
jiàn
件
shì
事
wǒ
我
bǎisībùjiě
百思不解
。
The answer still escapes me though I have cudgelled my brains over it.
3
Ràng
让
rén
人
bǎisībùjiě
百思不解
beyond all comprehension