Ile muster vp an army secretly.
出自: C. MarloweMuster the squadron and hold them in readiness.
出自: R. SutcliffThey were mustering themselves to attack the other group.
出自: R. K. NarayanThe Babylonians began to muster the Hebrews for the long march to slavery.
出自: J. A. Michener"he was thrown in the brig for missing muster"
"muster the courage to do something"
"she rallied her intellect"
"Summon all your courage"