vilokya—seeing; bhagna-saṅkalpam—disappointed; vimanaskam—extremely unhappy; vṛṣa-dhvajam—Lord Śiva; tadā—at that time; ayam—this; bhagavān—the Supreme Personality of Godhead; viṣṇuḥ—Lord Viṣṇu; tatra—about the well of nectar; upāyam—means (how to stop it); akalpayat—considered.