To fit perfectly.
完璧にフィットする。
"This dress fits like a glove on you!"
"このドレスはあなたにぴったり合う!"
To say what is true instead of lying.
to get rid of something unpleasant
To do something easily or successfully.
in an uncertain or unstable situation
to reverse the direction of events, especially to improve a...
to have confidence in your own abilities