keeping guard (verb) patrol: guard, protect
Sinonime: all aquiver, aquake, aquiver, ashake, faltering, fluctuant, infirm, insecure, jellylike, jerry-built, jittery,
nervous, not set, precarious, quaking, quivery, rattletrap, rickety, rocky, rootless,
shaking, tottering, tottery, tremorous, tremulous, tumbledown, unfirm,
unsettled, unsound, unstable, unsteady,
unsure,
vacillating, wavering, weak, wobbly,
yieldingAntonime: firm,
steady, unshaky,
unwavering