Berean Study Bible
If I were to say, ‘I will forget my complaint and change my expression and smile,’

King James Bible
If I say, I will forget my complaint, I will leave off my heaviness, and comfort myself:

American Standard Version
If I say, I will forget my complaint, I will put off my'sad countenance, and be of good cheer;

Darby Bible Translation
If I say, I will forget my complaint, I will leave off my [sad] countenance, and brighten up,

Douay-Rheims Bible
If I say: I will not speak so: I change my face, and am tormented with sorrow.

English Revised Version
If I say, I will forget my complaint, I will put off my sad countenance, and be of good cheer:

Young's Literal Translation
Though I say, 'I forget my talking, I forsake my corner, and I brighten up!'