The phrase “writhing” is pronounced with a brief “i” sound, as in “sit,” and a protracted “i” sound, as in “bike.” The “th” is pronounced with a voiced “th” sound, as in “the.” Subsequently, the phrase “writhing” is pronounced as “r-thing.”
The phrase “writhing” means “to twist or squirm in ache or agony.” It can be used to explain one thing that may be very painful or tough to bear. For instance, one would possibly say that they’re “writhing in ache” or {that a} state of affairs is “writhingly tough.”