to become addicted or very interested in something
何かに夢中になるか、非常に興味を持つ (nanika ni muchū ni naru ka, hijō ni kyōmi o motsu)
"He got hooked on playing chess after just one game."
"彼は一回のゲームでチェスに夢中になった。" (Kare wa ikkai no gēmu de chesu ni muchū ni natta.)
to walk away without purpose or direction
Always remain optimistic and determined.
to start a friendly conversation in an awkward situation
To be caught unprepared or embarrassed.
to recover quickly after a setback
to talk too much and for a long time