Definition
Describes a person who makes promises or boasts about doing things but never follows through with action.
光说不做
He always talks about starting a business, but so far it's all just talk; he's all talk and no action.
他总是说要创业，但到目前为止都只是说说而已；他光说不练。
That politician made a lot of promises during the campaign, but after getting elected he did nothing; he's all talk and no action.
那位政治人物在竞选期间做了很多承诺，但当选后却什么都没做；他光说不练。
I was initially confident he would help, but it turns out he's just all talk, and no action.
我本来很确信他会帮忙，但结果发现他只是光说不练。