raising and lowering; praising and blaming; up and down
Idiomatic phrase describing repeated or alternating changes in status, evaluation, or physical position. Often used for fluctuating opinions, moods, or treatment of someone.
His reputation goes up and down dramatically.
The media alternately praises and criticizes that politician.
Compound of 上げる (raise) + たり (listing particle) + 下げる (lower) + たり, literally 'raising and lowering'. The idiomatic sense of 'praising and blaming' comes from the metaphor of elevating or lowering someone's status or reputation.