I was chatting this lunchtime with some colleagues about a particularly unpopular manager who openly coughs and burps in front of his subordinates. He also has a bad habit of clearing his throat every 20 seconds or so very loudly. Actually these are just the more tolerable aspects of his character.
I proceeded to tell them about a time when I was next to him at the urinal at a business dinner a few months back, and he was straining as if trying to squeeze a melon out of his nose. I guess he wanted to win some race with me or something, or maybe he just has some trouble downstairs.
Anyway, I realised I don’t know the verb for ‘to strain’ so looked it up. It seems to have two kanji for the same meaning/pronounciation: