短語詞組短語catch up on sth 補上某事;補做catch catch on 理解catch be on fire 失火catch sb on sth 我的袖子被釘子掛住了catch something on film 用相機拍下某物catch you on Monday 周一見to catch up on 趕上catch h on wheel 擋輪器Catch It On Time 準時趕上;把握時機;按時捕獲 返回 catch on