他表面上处处替人着想,背地里却一直在算计自己的利益。Tā biǎomiàn shang chùchù tì rén zhuóxiǎng, bèidì li què yìzhí zài suànjì zìjǐ de lìyì.On the surface he seems considerate of others, but secretly he is always calculating his own interests.
妈妈算计着这个月的开销,舍不得乱花钱。Māma suànji zhe zhège yuè de kāixiāo, shěbude luàn huā qián.Mom is calculating this month's expenses, reluctant to spend money carelessly.
别跟那种人合作,他背后老算计别人。Bié gēn nèizhǒng rén hézuò, tā bèihòu lǎo suànji biérén.Don't work with people like that; behind their backs they are always scheming against others.