既來之，則安之的近義詞：

無

既來之，則安之的反義詞：

• 來無影
• 去無蹤

既來之，則安之的解釋：更多

[since we are here,we may as well stay and make the best of it;now that we have come,let us stay and take the rough with the smooth;now you are here,you'd better stay;since this is so,it's better to accept it and enjoy it] 既已來此,那就隨安于此
他果然既來之,則安之,我也只得因居之安,則資之深。——《兒女英雄傳》