rú / guǒ / dāng / chū / tīng / le / dà / jiā / de / quàn / gào / xiàn / zài / jiù / bú / yòng / chī / hòu / huǐ / yào / le

如果当初听了大家的劝告，现在就不用吃后悔药了。

If you had listened to everyone's advice then, you would not be regretting it now.