Translation of "gumu" into English

Ni lazima liwe lilikuwa jambo gumu sana kwa Maria kumzaa mtoto katika hori.

Giving birth in a stable must have been hard for Mary.

Wengi wao wanajitahidi kufanya kadri wawezavyo kujitahidi katika jukumu ambalo wakati mwingine ni gumu.

Many of them strive mightily and do their very best in an often difficult role.

Umajimaji huo unapogandamana, eneo hilo huwa gumu na hivyo kurejesha hali ya awali ya plastiki hiyo.

As the gel solidifies, it forms a tough substance that restores the material’s original strength.