under (a/the) strain

: in or into a position below or beneath something

: below or short of some quantity, level, or limit

: in or into a condition of subjection, subordination, or unconsciousness

: below or beneath so as to be overhung, surmounted, covered, protected, or concealed by

: subject to the authority, control, guidance, or instruction of

: receiving or undergoing the action or effect of

: lying or placed below, beneath, or on the ventral side

: facing or protruding downward

: lower in rank or authority : subordinate

: lineage, ancestry

: a group of presumed common ancestry with clear-cut physiological but usually not morphological distinctions

: kind, sort

: to draw tight : cause to fit firmly

: to stretch to maximum extension and tautness

: to exert (oneself, one's senses, etc.) to the utmost

: an act of straining or the condition of being strained: such as

: bodily injury from excessive tension, effort, or use

: excessive or difficult exertion or labor