秤砣看来一小块却能压住千斤之重。比喻外表虽不引人注目，实际很起作用。
出处：明·吴承恩《西游记》三十一回俗语云尿泡虽大无斤两，秤砣虽小压千斤。”
例句：无
秤砣虽小压千斤 chèng tuó suī xiǎo yā qiān jīn
| 拼音 | chèng tuó suī xiǎo yā qiān jīn | 粤拼 | cing3 to4 seoi1 siu2 aat3 cin1 gan1 |
|---|---|---|---|
| 英文 | although small, a steelyard weight may tip a hundred pounds (idiom); apparently insignificant details can have a large impact; for want of a nail the battle was lost |