to try hard not to cry
tratar de no llorar (tratar de no llorar)
"She choked back tears during her farewell speech."
"Ella contuvo las lágrimas durante su discurso de despedida." (Ella **contuvo las lagrimas** durante su discurso de despedida.)
to volunteer or offer assistance when needed
to keep a promise or commitment even when it is difficult
to complete actions that were promised or scheduled
to accept and deal with something difficult calmly
to combine one thing with another to make a whole
to transition into a different type of job or field