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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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学科, がっか
1. subject (of study), course of study
2. department (of a university)
tbd