English translation of '心神'

名

1. (= 心情) state of mind
   ⇒ 这件事搞得他心神不定。 (Zhè jiàn shì gǎo de tā xīnshén bù dìng.) This matter made him feel uncertain.
2. (= 精力) effort
   ⇒ 写这部书费了他不少心神。 (Xiě zhè bù shū fèile tā bùshǎo xīnshén.) He devoted a lot of energy to writing the book.