gap; space; break; interlude; chink (in one's armor, armour); chance
crevice; crack; spare moment; interval; chink (in one's armor, armour); unpreparedness
to take advantage of one's carelessness; to perform a surprise attack
chink in the armor (armour)
to watch for an unguarded moment
draft; draught; cold air entering through the crack of a door or window; cooling off of a relationship; draft of cold air between two persons
one must constantly be on one's guard with ...; one cannot be too careful of ...
without any weak spot; watertight (e.g. reasoning); impeccable
vacant space; aperture; gap; opening
to watch for an unguarded moment
without any weak spot; watertight (e.g. reasoning); impeccable
before one could; in no time at all; without a gap
closely; compactly; leaving no space
not busy; unengaged; being free; leisure
one must constantly be on one's guard with ...; one cannot be too careful of ...
chink in the armor (armour)
spare time; spare moment; small opening; small crack
gap; opening; crevice; crack
crevice; crack; spare moment; interval; chink (in one's armor, armour); unpreparedness
crack; slit; crevasse; crevice
slit; interstice; narrow aperture
person with a lot of free time on their hands; person of leisure; idler; loafer
time flies; (lit.) like watching a white horse run by through a gap in the wall (Zhuangzi)