I appreciate Kin's character that he does not bother about trifles.
Examples (Wiktionary)
Mandarin
他的性格是刚与柔的结合。
他的性格是剛與柔的結合。
tā de xìng gé shì gāng yǔ róu de jié hé .
His character is a combination of strength and kindness.
Mandarin
性格
性格
xìng gé
temperament; nature
Mandarin
性格测试
性格測試
xìng gé cè shì
personality test
Mandarin
鲁迅的骨头是最硬的,他没有丝毫的奴颜和媚骨,这是殖民地半殖民地人民最可宝贵的性格。
魯迅的骨頭是最硬的,他沒有絲毫的奴顏和媚骨,這是殖民地半殖民地人民最可寶貴的性格。
lǔ xùn de gǔ tou shì zuì yìng de , tā méi yǒu sī háo de nú yán hé mèi gǔ , zhè shì zhí mín dì bàn zhí mín dì rén mín zuì kě bǎo guì de xìng gé .
Lu Xun was a man of unyielding integrity, free from all sycophancy or obsequiousness; this quality is invaluable among colonial and semi-colonial peoples.
Mandarin
她长得不错,但是性格却不怎么地。
她長得不錯,但是性格卻不怎麼地。
tā zhǎng de bù cuò , dàn shì xìng gé què bù zěn me dì .
She is quite good-looking, but her personality is not so flattering.