collapse due to fatigue, an illness, or a sudden attack | behave in a certain manner; show a certain behavior; conduct or comport oneself |
stop operating or functioning | pretend to have certain qualities or state of mind |
separate (substances) into constituent elements or parts | discharge one's duties |
make a mathematical, chemical, or grammatical analysis of; break down into components or essential features | play a role or part |
make ineffective | perform on a stage or theater |
cause to fall or collapse | behave unnaturally or affectedly |
lose control of one's emotions | perform an action, or work out or perform (an action) |
fall apart | have an effect or outcome; often the one desired or expected |
| be suitable for theatrical performance |