the bane of (your) life

someone or something that is always causing problems for you and upsetting you.

I have a sister who's always getting into trouble and expecting me to sort her out. She's the bane of my life.

• toe the line
• to face
• toffee-nosed
• to fingertips
• together with
• together with something
• to have the hots for
• to have the hots for someone
• to heart's content
• to hell with
• to hell with someone
• to hell with something
• toing and froing
• toll the death knell
• to make a long story short
• Tom, Dick and Harry
• Tom, Dick or Harry
• Tomorrow's another day.
• to my mind
• tone down
• tone down something
• tongue in cheek
• tongue-in-cheek
• tongue-lashing
• to no avail