get the better of (someone)

if a feeling gets the better of you, it becomes too strong to control.

Finally curiosity got the better of her and she opened the letter.

Try to remain calm - don't let your anger get the better of you.

• in league with
• in league with someone
• in leaps and bounds
• in lieu of
• in light of
• in light of something
• in line for
• in line for something
• in line with
• in line with something
• in living memory
• in loco parentis
• in luck
• in memory of
• in memory of someone
• in midst
• in mind's eye
• in my book
• in my wildest dreams
• in name
• in name only
• in next to no time
• in no time
• in no uncertain terms
• in one ear and out the other