马脚

Traditional form:

馬腳

Pinyin (reading):

mǎjiǎo

Definitions:

• sth one wishes to conceal
• the cat (as in "let the cat out of the bag")

Characters:

• 马 - horse; surname
• 脚 - leg, foot; foundation, base

Traditional characters:

• 馬 - horse; surname
• 腳 - leg, foot; foundation, base