50 The accusative here is the masculine singular pronoun, which leads S. R. Driver to conclude that this line is out of place, even though the masculine singular can be used in places like this (Exodus, ). U. Cassuto says its use is to refer to certain classes (Exodus, ).
51 Here again and with “cry” the infinitive absolute functions with a diminished emphasis ( §113.o).
52 Here is the normal use of the infinitive absolute with the imperfect tense to emphasize the verb: “I will surely hear,” implying, “I will surely respond.”

In other versions

If you do mistreat them, and they cry out to me, I will surely hear their cry,

If you do and they cry out to me, I will certainly hear their cry.

If you do mistreat them, they will no doubt cry to me, and I will certainly hear their cry.

If you exploit them in any way and they cry out to me, then I will certainly hear their cry.

If you indeed afflict him, yes, if he cries out at all to me, I will certainly hear his cry of distress.

If thou afflict them in any wise, and they cry at all unto me, I will surely hear their cry;

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