Correct
底牌
/ dǐpái /
Strokes
Definition
cards in one's hand/(fig.) undisclosed strength or information/hidden trump
Example
As a Noun
cards in one's hand (to show at the end of a poker game); hand
1
Liàng
亮
dǐpái
底牌
show one's hand
As a Noun
inside story; hidden plan/intention
2
Mōqīng
摸清
duìfāng
对方
de
的
dǐpái
底牌
,
zài
再
kǎolǜ
考虑
rúhé
如何
xíngdòng
行动
。
Let's find out the real situation on the other side before we act.
As a Noun
last resource/resort; bottom line
3
Bù
不
dào
到
wànbùdéyǐ
万不得已
,
biè
别
dá
打
zhè
这
zhāng
张
dǐpái
底牌
。
Do not resort to doing this unless you have exhausted all other possibilities.