【chèng tuó suī xiǎo yā qiān jīn】
秤砣虽小压千斤,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。
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。
for want of a nail the battle was lost; apparently insignificant details can have a large impact; although small, a steelyard weight may tip a hundred pounds (idiom)