I am not able
yakol  (yaw-kole')
to be able, literally (can, could) or morally (may, might)
to bear
nasa'  (naw-saw')
to lift, in a great variety of applications, literal and figurative, absol. and rel. (as follows)
all this people
`am  (am)
a people (as a congregated unit); specifically, a tribe (as those of Israel); hence (collectively) troops or attendants; figuratively, a flock -- folk, men, nation, people.
bad  (bad)
separation; by implication, a part of the body, branch of a tree, bar for carrying; figuratively, chief of a city; especially (with prepositional prefix) as an adverb, apart, only, besides -- alone, apart, bar, besides, branch, by self, of each alike, except, only, part, staff, strength.
because it is too heavy
kabed  (kaw-bade')
heavy; figuratively in a good sense (numerous) or in a bad sense (severe, difficult, stupid) -- (so) great, grievous, hard(-ened), (too) heavy(-ier), laden, much, slow, sore, thick.
for me