不及 (bù jí): Less than (Verb) — Meaning & Stroke Order

My grades are not as good as his.

The response to this promotional event was mediocre, and its effectiveness fell completely short of our previous market forecast.

Even though he is experienced, his reaction speed in handling sudden crises is still not as fast as that of his younger colleagues.

Although he works hard, his efficiency still falls short of expectations.

To be honest, the signature dish at this restaurant doesn't seem to taste as good as it did last time we came.