To become taut or strained; to be tense — used for atmospheres, nerves, strings, etc., indicating a state of tension (intransitive).
試合前の控室は緊張で張り詰めていた。
The waiting room before the match was filled with tension.
彼女の表情から張り詰めた気持ちが伝わってきた。
Her expression conveyed a sense of taut tension.
弓の弦が張り詰めている音が聞こえた。
You could hear the sound of the bowstring being taut.
To cover over or become covered (e.g., a surface being covered with ice, tiles, or a layer) — meaning to form a continuous covering (intransitive).
今朝、池の表面が薄い氷で張り詰めていた。
This morning, the surface of the pond was covered with a thin layer of ice.
窓に霜が張り詰めて外の景色が見えない。
Frost has covered the window so you can't see the outside scenery.
職人は屋根に瓦をきっちり張り詰めた。
The craftsman laid the roof tiles tightly together.