1 tn The verb is the Hiphil of רָעַע (ra’a’, “to be evil”). Moses laments (with the rhetorical question) that God seems to have caused him evil.
2 tn The infinitive construct with the preposition is expressing the result of not finding favor with God (see R. J. Williams, Hebrew Syntax, 12-13, §57). What Moses is claiming is that because he has been given this burden God did not show him favor.