to be too busy; to be occupied; to concentrate on single-mindedly
to stare fixedly at; to fix one's gaze on; to make sure of; to set one's eyes on (e.g. the future); to focus on
to grow wild; to run to waste; to become rough (of art, craft, etc.); to lose refinement; to intensify (of wind, rain, etc.); to become more severe
to be grieved at heart; to be troubled; to be worried; to trouble oneself (about something)
search for corroborative evidence
to try and do something; to attempt to do something
condition; term; requirement; qualification; prerequisite
belonging; ascription; attribution; reversion; return; restoration
to take part in; to be a party to; to side with; to support; to agree with