The word "re trenches" means to dig a trench again. Its IPA phonetic transcription is /rɪˈtrɛntʃɪz/, where the first syllable "rɪ" is pronounced as "rih." The second syllable "trɛnt" is pronounced as "trehnt," with the "t" sound followed by a crisp "r" sound. The last syllable "chɪz" is pronounced as "chiz" with a "z" sound at the end. Remembering the spelling of "re trenches" can be tricky, but with practice, it can become familiar.