敝 帚 自 珍 bì zhǒu zì zhēn : value one's own old broom - cherish something of little value simply because it is one's own

不 單 bù dān : not the only; not merely; not simply

根 本 gēn běn : (not) at all; simply; fundamental; basic; root

簡 單 的 說 jiǎn dān de shuō : to put it simply; simply put

簡 直 jiǎn zhí : simply; at all

決 不 jué bù : not at all; simply (can) not

只 是 zhǐ shì : merely; simply; only; but