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苦手, にがて
1. poor (at), weak (in), not very good (at)
2. not one's cup of tea, not one's favorite
差劲(在……方面),薄弱(在……方面),不太擅长……;不合口味,非所好
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練習, れんしゅう
1. practice, training, drill, (an) exercise, workout
练习,训练,演习,锻炼