Lt. is a written short form of lieutenant, a junior officer’s rank in the army, and also a rank in some navies, air forces and police forces.

Lt. is a written short form of lieutenant是lieutenant的書面縮寫, a junior officer's rank in the army陸軍裡初階軍官的階級, and also a rank in some navies, air forces and police forces也是某些海軍、空軍和警察單位的階級

You write Lt. (or sometimes Lieut.); you do not say “L-T” in careful British speech — you read it as “lieutenant.” Americans sometimes do say “el-tee” in casual talk.

You write Lt.你會寫Lt. (or sometimes Lieut.)有時也寫Lieut.; you do not say "L-T" in careful British speech在講究的英式口語裡不會唸「L-T」 — you read it as "lieutenant."你會唸成「lieutenant」 Americans sometimes do say "el-tee" in casual talk美國人隨口講話時有時會說「el-tee」

The sound of the full word splits: in British English it is usually LEF-tenant; in American English, LOO-tenant. The abbreviation is the same on both sides of the water.

The sound of the full word splits完整這個字的發音分成兩派: in British English it is usually LEF-tenant英式英文通常唸LEF-tenant; in American English, LOO-tenant美式英文則唸LOO-tenant. The abbreviation is the same on both sides of the water這個縮寫在大西洋兩邊寫法是一樣的

A lieutenant is typically above a second lieutenant and below a captain in an army, though navies use the same word at a different height on the ladder, which is why a navy lieutenant is not “the same size” as an army one.

A lieutenant is typically above a second lieutenant and below a captain in an army在陸軍裡，lieutenant通常高於second lieutenant、低於captain, though navies use the same word at a different height on the ladder不過海軍用同一個字時，在階梯上的位置不一樣, which is why a navy lieutenant is not "the same size" as an army one這就是為什麼海軍的lieutenant跟陸軍的「不是同一個等級」

You will also see Lt. Gov. for lieutenant governor — a deputy, “holding the place” of the governor.

You will also see Lt.你也會看到Lt. Gov. for lieutenant governorLt. Gov.代表lieutenant governor（副州長） — a deputy一個副手, "holding the place" of the governor「代理」州長的位子