strain[Anglais]

nom
1 : (psychology) nervousness resulting from mental stress
2 : difficulty that causes worry or emotional tension
3 : the act of singing
4 : an effortful attempt to attain a goal
verbe
1 : rub through a strainer or process in an electric blender
2 : cause to be tense and uneasy or nervous or anxious
3 : separate by passing through a sieve or other straining device to separate out coarser elements
4 : remove by passing through a filter
5 : to exert much effort or energy
6 : alter the shape of (something) by stress