ostensible

The ostensible reason for his visit was to see the children, but he actually wanted to ask for a loan.

(Chinese) 他来访的表面理由是看孩子，但实际上他是想来借钱。

Their ostensible friendship hid a deep-seated rivalry that had lasted for decades.

(Chinese) 他们表面上的友谊掩盖了持续数十年的深层竞争关系。