认真

1. conscientious; earnest; serious

♦ ~对待 deal seriously with

♦ 给予~的考虑 give serious consideration to

♦ ~的自我批评 an earnest self-criticism

2. take seriouly; take to heart

♦ 我是说着玩儿的, 你怎么就认起真来了？ I was only joking. Why take it seriously (or to heart)?