他的建议就像马后炮，没有任何帮助。
tāde jiànyì jiùxiàng mǎhòupào ， méiyǒu rènhé bāngzhù 。
His advice was like a belated action, providing no help at all.
在会议上提出的意见常常是马后炮。
zài huìyì shàng tíchū de yìjiàn chángcháng shì mǎhòupào 。
The suggestions made during the meeting are often belated actions.
事后再想办法解决问题，就只是马后炮了。
shìhòu zàixiǎng bànfǎ jiějué wèntí ， jiù zhǐshì mǎhòupào le 。
Trying to solve the problem after the fact is just a belated action.