yat — that which;  tu — but;  kāma- īpsunā — by one with desires for fruitive results;  karma — work;  sa- ahańkāreṇa — with ego;  vā — or;  punaḥ — again;  kriyate — is performed;  bahula- āyāsam — with great labor;  tat — that;  rājasam —  in the mode of passion;  udāhṛtam — is said  to be.

But action performed with great effort by one seeking to gratify his desires, and enacted from a sense of false ego, is called action in the mode of passion.