Definition
Describes a person who makes promises or boasts about doing things but never follows through with action.
光說不做
He always talks about starting a business, but so far it's all just talk; he's all talk and no action.
他總是說要創業，但到目前為止都只是說說而已；他光說不練。
That politician made a lot of promises during the campaign, but after getting elected he did nothing; he's all talk and no action.
那位政治人物在競選期間做了很多承諾，但當選後卻什麼都沒做；他光說不練。
I was initially confident he would help, but it turns out he's just all talk, and no action.
我本來很確信他會幫忙，但結果發現他只是光說不練。