只是
zhǐ​shì HSK3

merely

zhǐ​shì merely · only because · simply
  1. 只 zhǐ adverb
    only
    only; merely; just; limited to a certain scope or amount
  2. 是 shì verb
    to be
    to be; to correspond to; connects a subject to its identification, characterization, or identity

zhǐ​shì but
  1. 只 zhǐ conjunction
    but
    but; however; only that
  2. 是 shì verb
    to be
    to be; to correspond to; connects a subject to its identification, characterization, or identity