catch up   (TTS Sound)

The catch_up has 2 Senses.

• catch up
• reach the point where one should be after a delay; "I caught up on my homework"
• 遅れの後に、いるべき地点に達する

• catch up
• learn belatedly; find out about something after it happened; "I'm trying to catch up with the latest developments in molecular biology"
• 後ればせながら、学ぶ