Definition
To participate in an activity with enthusiasm and enjoyment; to fully embrace the atmosphere or feeling of a situation.
投入，全心參與
At the start of the party, everyone was a bit reserved, but as the music started, everyone began to get into the spirit.
派對一開始，大家都有點拘謹，但當音樂響起時，每個人都開始投入其中。
Though she was unsure at first, she really got into the spirit once she started dancing.
雖然她一開始有些不確定，但一旦開始跳舞，她真的投入其中。
During the community event, everyone wore brightly colored costumes, fully getting into the spirit of the festivities.
在社區活動期間，每個人都穿著色彩鮮豔的服裝，完全投入了節慶的氣氛中。