1. 不认真的：halfbeak 鱼箴科鱼 | halfhearted 不认真的 | halfheartedly 不认真地

2. 不认真的/无兴趣的/不热心的：halfback /中卫/ | halfhearted /不认真的/无兴趣的/不热心的/ | halfheartedly /不认真地/

3. 不认真的; 不热心的; 无兴趣的 (形)：halfback 中卫 (名) | halfhearted 不认真的; 不热心的; 无兴趣的 (形) | halfheartedly 不认真地; 无兴趣地 (副)

adj

1. feeling or showing little interest or enthusiasm

[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;e.g. a halfhearted effort
[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;gave only lukewarm support to the candidate

[…]nbsp;[…]nbsp;[…]nbsp;[…]nbsp;Synonym: half-heartedtepidlukewarm