词汇网络: foolishness

观点与态度副词（技术上讲，坦率地说）

adjectives_adverbs

C2

求稳 vs. 孤注一掷

advanced_syntax

C1

抵达与出现：使用“Show Up”

prepositions

B1

penny wise pound foolish

Careful about small amounts of money but wasteful with large amounts.

Out of your mind.

Crazy, irrational

B1

put one's foot in one's mouth

Say something embarrassing by accident

A2

lose your marbles

Go crazy, become foolish

B1

Penny wise, pound foolish.

Saving small, losing big.

B1

a wild goose chase

Pointless search or pursuit.

A2