disadvantageous
🇺🇸
/ˌdɪsædvənˈteɪdʒəs/
🇬🇧
/ˌdɪsædvənˈteɪdʒəs/
Unfavorable or harmful to someone's situation.
It would be disadvantageous to start the race without proper training.
如果没有适当的训练就开始比赛,那将是不利的。