There's no smoke without fire.

无火不起烟； 无风不起浪。

youdao

There is no smoke without fire.

无火不生烟，无风不起浪。

youdao

There is no smoke without fire.

每次有烟总会有火。

youdao

There is no smoke without fire, though: their abject defeat in the tournament final may not have been in doubt, but a question mark was placed next to the loss to India at old Trafford.

BBC: Pakistan's continual crisis