to present, propose, put forward a theory ☊ 
nêu giả thuyết ☊ to put forward an opinion ☊ đưa ra ý kiến ☊ to propose, put forward (for discussion) ☊ đề xuất ☊ propose to higher levels, put forward for consideration to higher ☊ đề đạt ☊ to put forward a guarantee, vouch for ☊ đứng ra bảo đảm ☊