zhè / jiàn / shì / bù / jiě / jué / wǒ / xīn / lǐ / yǒng / yuǎn / bù / ān / bù / rú / yī / cì / xìng / shuō / qīng / chǔ / yī / liǎo / bǎi / liǎo

这件事不解决，我心里永远不安，不如一次性说清楚，一了百了。

If this matter isn't resolved, I'll never feel at ease; better to explain it clearly once and for all.