发表有分量的意见; 给予帮助
Merriam-Webster Online Dictionary
weigh in (verb)intransitive verb
1.
to have oneself or one's possessions (as baggage) weighed , especially to have oneself weighed in connection with an athletic contest
2.
to bring one's weight or influence to bear especially as a participant, contributor, or mediator - weighed in with an opinion
Merriam-Webster Online Thesaurus
weigh in (verb)to make a statement of one's opinion
SYNONYMS:
allow, comment, editorialize, note, observe, opine, reflect, weigh inRELATED WORDS:
commentate; articulate, express, say, speak, state, talk, tell, utter, verbalize, vocalize; conjecture, daresay, guess, speculate, suppose, surmise