「唯獨是 / 惟獨是」

(pos:副詞)
<explanation>
yue:#淨係；有時用嚟表達轉折
eng:only; only that
<eg>
yue:唯獨是有啲人唔肯做。 (wai4 duk6 si6 jau5 di1 jan4 m4 hang2 zou6.)
eng:Only that some people were not willing to do.
<eg>
yue:我樣樣都可以幫你，惟獨是做壞事我唔可以幫你。 (ngo5 joeng6 joeng6 dou1 ho2 ji5 bong1 nei5, wai4 duk6 si6 zou6 waai6 si6 ngo5 m4 ho2 ji5 bong1 nei5.)
eng:I can do you a favour for everything, only except to help you do something evil.