swear by
Intermediate (B1)neutral
To say that something is really great and works very well because you have tried it yourself.
"She swears by yoga and meditation for managing stress — she says nothing else has worked as well."
Hear it in context
Carrie S1E1 Full Episode "First Period" | Prime Video
Prime Video · 26:26
I swear By all accounts,
🔴 LIVE! - NEW UPDATE and ROAD TO UNREAL in RELOAD!
Typical Gamer · 434:33
We swear by this guy.
Joe Rogan Experience #2482 - Andy Stumpf
PowerfulJRE · 106:02
I I swear by that thing.
ENG SUB《仙逆》Renegade Immortal EP 131 | 雷龙为魄，一剑斩罗！ | 腾讯视频 - 动漫
腾讯视频 - 动漫 - Get the WeTV APP · 8:15
You must swear by the Dao.
Vampire Crawlers - The Livestream of Ludicrous Nonsense
Many A True Nerd · 57:32
I I genuinely swear by that.