1 假藉
under a mask of under the mask of on pretense of under pretense of on the plea of on the plea that under the plea that
2 借口
out color cover mask blind excuse stall plea refuge disguise shifting peg veil cloak guise evasion masquerade pretext pretense alibi subterfuge runaround extenuation put-off under the cloak of on the plea of on the plea that under the plea that make a pretext of