填空: to fill a job vacancy, to fill in a blank (e.g. on questionnaire or exam paper)...
思路: train of thought, thinking, reason, reasoning...
成立: to establish, to set up, to be tenable, to hold water...
埋怨: to complain, to grumble (about), to reproach, to blame...
辛酸: pungent (taste), bitter, sad, miserable...
望: 15th day of month (lunar calendar), old variant of...
专门: specialist, specialized, customized...
