閊える （つかえる） to stick, to get stuck, to get caught, to get jammed, to clog, to be unavailable, to be busy, to be occupied, to be full, to be piled up (e.g. of work), to halt (in one's speech), to stumble (over one's words), to stutter, to stammer, to feel blocked (of one's chest or throat, due to grief, anxiety, illness, etc.), to feel pressure, to feel pain